As we move through the busiest, most hectic days of the holiday season, ebooks can keep kids in the holiday spirit — even when you're on the go. We've rounded up some of the best festive stories to inspire holiday cheer in your little ones, including classics like The Polar Express and newer tales like Olivia Helps With Christmas. Take a look at these 20 options, then buy a few ebooks instantly to keep your kids entertained during holiday travels!